sumV,n=map(int,input().split())

def getResult():
    left_index,right_index=-1,-1
    if n%2==0:
        halfLen=n//2-1
        left_index=sumV//n - halfLen
        right_index=sumV//n+1+halfLen
    else:
        halfLen=n//2
        left_index=sumV//n-halfLen
        right_index=sumV//n+halfLen
    if left_index<=0:
        return -1
    return " ".join([str(i) for i in range(left_index,right_index+1)])

print(getResult())
# 525 6
# 3 5